OCoO

Formula: CoO₂
Molecular weight: 90.9320
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Vibrational and/or electronic energy levels

State: X

Vib. sym.	No.	Approximate type of mode	cm^-1		Med.	Method	References


Σ_g⁺	1	Sym. stretch	790 ± 60		gas	PD	Wang
	1	Sym. stretch	796.2	T	Ne	IR	Danset, Alikhani, et al., 2005
	1	Sym. stretch	783.7	T	Ar	IR	Danset, Alikhani, et al., 2005
Π_u	2	Bend	82.8 ± 0.5	w	Ar	IR	Danset, Alikhani, et al., 2005
Σ_u⁺	3	Asym. stretch	954.7	vs	Ne	IR	Danset, Alikhani, et al., 2005
	3	Asym. stretch	945.4		Ar	IR	Chertihin, Citra, et al., 1997 Danset, Alikhani, et al., 2005
	3	Asym. stretch	978.6		N₂	IR	Chertihin, Citra, et al., 1997

Additional references: Jacox, 2003, page 106; Van Zee, Hamrick, et al., 1992

Notes

Weak

Very strong

Tentative assignment or approximate value

References

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Wang
Wang, L.-S., cited by Ref. 1.. [all data]

Danset, Alikhani, et al., 2005
Danset, D.; Alikhani, M.E.; Manceron, L., Reactivity of Atomic Cobalt with Molecular Oxygen: A Combined IR Matrix Isolation and Theoretical Study of the Formation and Structure of CoO, J. Phys. Chem. A, 2005, 109, 1, 97, https://doi.org/10.1021/jp047327x . [all data]

Chertihin, Citra, et al., 1997
Chertihin, G.V.; Citra, A.; Andrews, L.; Bauschlicher, C.W., Jr., Reactions of Laser-Ablated Cobalt Atoms with O, J. Phys. Chem. A, 1997, 101, 47, 8793, https://doi.org/10.1021/jp972022m . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Van Zee, Hamrick, et al., 1992
Van Zee, R.J.; Hamrick, Y.M.; Li, S.; Weltner, W., Jr., Cobalt, rhodium, and iridium dioxide molecules and Walsh-type rules, J. Phys. Chem., 1992, 96, 18, 7247, https://doi.org/10.1021/j100197a022 . [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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